2 #define __PERF_SYMBOL 1
4 #include <linux/types.h>
9 #include <linux/list.h>
10 #include <linux/rbtree.h>
16 #ifdef HAVE_LIBELF_SUPPORT
24 #ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
25 extern char *cplus_demangle(const char *, int);
27 static inline char *bfd_demangle(void __maybe_unused *v, const char *c, int i)
29 return cplus_demangle(c, i);
33 static inline char *bfd_demangle(void __maybe_unused *v,
34 const char __maybe_unused *c,
40 #define PACKAGE 'perf'
46 * libelf 0.8.x and earlier do not support ELF_C_READ_MMAP;
47 * for newer versions we can use mmap to reduce memory usage:
49 #ifdef HAVE_LIBELF_MMAP_SUPPORT
50 # define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP
52 # define PERF_ELF_C_READ_MMAP ELF_C_READ
55 #ifdef HAVE_LIBELF_SUPPORT
56 extern Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep,
57 GElf_Shdr *shp, const char *name, size_t *idx);
61 #define DMGL_PARAMS (1 << 0) /* Include function args */
62 #define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */
65 /** struct symbol - symtab entry
67 * @ignore - resolvable but tools ignore it (e.g. idle routines)
70 struct rb_node rb_node;
79 void symbol__delete(struct symbol *sym);
80 void symbols__delete(struct rb_root *symbols);
82 /* symbols__for_each_entry - iterate over symbols (rb_root)
84 * @symbols: the rb_root of symbols
85 * @pos: the 'struct symbol *' to use as a loop cursor
86 * @nd: the 'struct rb_node *' to use as a temporary storage
88 #define symbols__for_each_entry(symbols, pos, nd) \
89 for (nd = rb_first(symbols); \
90 nd && (pos = rb_entry(nd, struct symbol, rb_node)); \
93 static inline size_t symbol__size(const struct symbol *sym)
95 return sym->end - sym->start + 1;
101 unsigned short priv_size;
102 unsigned short nr_events;
103 bool try_vmlinux_path,
112 show_cpu_utilization,
119 const char *vmlinux_name,
123 const char *default_guest_vmlinux_name,
124 *default_guest_kallsyms,
125 *default_guest_modules;
126 const char *guestmount;
127 const char *dso_list_str,
131 struct strlist *dso_list,
141 extern struct symbol_conf symbol_conf;
142 extern int vmlinux_path__nr_entries;
143 extern char **vmlinux_path;
145 static inline void *symbol__priv(struct symbol *sym)
147 return ((void *)sym) - symbol_conf.priv_size;
150 struct ref_reloc_sym {
153 u64 unrelocated_addr;
163 struct addr_map_symbol {
171 struct addr_map_symbol from;
172 struct addr_map_symbol to;
173 struct branch_flags flags;
177 struct addr_map_symbol iaddr;
178 struct addr_map_symbol daddr;
179 union perf_mem_data_src data_src;
182 struct addr_location {
183 struct machine *machine;
184 struct thread *thread;
197 enum dso_binary_type type;
199 #ifdef HAVE_LIBELF_SUPPORT
218 void symsrc__destroy(struct symsrc *ss);
219 int symsrc__init(struct symsrc *ss, struct dso *dso, const char *name,
220 enum dso_binary_type type);
221 bool symsrc__has_symtab(struct symsrc *ss);
222 bool symsrc__possibly_runtime(struct symsrc *ss);
224 int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter);
225 int dso__load_vmlinux(struct dso *dso, struct map *map,
226 const char *vmlinux, bool vmlinux_allocated,
227 symbol_filter_t filter);
228 int dso__load_vmlinux_path(struct dso *dso, struct map *map,
229 symbol_filter_t filter);
230 int dso__load_kallsyms(struct dso *dso, const char *filename, struct map *map,
231 symbol_filter_t filter);
233 struct symbol *dso__find_symbol(struct dso *dso, enum map_type type,
235 struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type,
238 int filename__read_build_id(const char *filename, void *bf, size_t size);
239 int sysfs__read_build_id(const char *filename, void *bf, size_t size);
240 int modules__parse(const char *filename, void *arg,
241 int (*process_module)(void *arg, const char *name,
243 int filename__read_debuglink(const char *filename, char *debuglink,
246 int symbol__init(void);
247 void symbol__exit(void);
248 void symbol__elf_init(void);
249 struct symbol *symbol__new(u64 start, u64 len, u8 binding, const char *name);
250 size_t symbol__fprintf_symname_offs(const struct symbol *sym,
251 const struct addr_location *al, FILE *fp);
252 size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp);
253 size_t symbol__fprintf(struct symbol *sym, FILE *fp);
254 bool symbol_type__is_a(char symbol_type, enum map_type map_type);
255 bool symbol__restricted_filename(const char *filename,
256 const char *restricted_filename);
257 bool symbol__is_idle(struct symbol *sym);
259 int dso__load_sym(struct dso *dso, struct map *map, struct symsrc *syms_ss,
260 struct symsrc *runtime_ss, symbol_filter_t filter,
262 int dso__synthesize_plt_symbols(struct dso *dso, struct symsrc *ss,
263 struct map *map, symbol_filter_t filter);
265 void symbols__insert(struct rb_root *symbols, struct symbol *sym);
266 void symbols__fixup_duplicate(struct rb_root *symbols);
267 void symbols__fixup_end(struct rb_root *symbols);
268 void __map_groups__fixup_end(struct map_groups *mg, enum map_type type);
270 typedef int (*mapfn_t)(u64 start, u64 len, u64 pgoff, void *data);
271 int file__read_maps(int fd, bool exe, mapfn_t mapfn, void *data,
274 #define PERF_KCORE_EXTRACT "/tmp/perf-kcore-XXXXXX"
276 struct kcore_extract {
277 char *kcore_filename;
281 char extract_filename[sizeof(PERF_KCORE_EXTRACT)];
285 int kcore_extract__create(struct kcore_extract *kce);
286 void kcore_extract__delete(struct kcore_extract *kce);
288 int kcore_copy(const char *from_dir, const char *to_dir);
289 int compare_proc_modules(const char *from, const char *to);
291 int setup_list(struct strlist **list, const char *list_str,
292 const char *list_name);
294 #endif /* __PERF_SYMBOL */